| Frequency
Combs for frequency metrology |
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| • | Transfer
stability and accuracy between optical and |
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| microwave
regimes. |
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| • | Ti:sapph comb
commercially available. |
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| • | Fiber lasers
at 1.5 mm increasingly interesting. |
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| – | near IR
(telecom) |
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| – | cheaper |
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| – | more portable |
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| – | will require
portable references |
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| • | near-IR
comb being developed at Kansas State for characterization of |
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| new
standards. |
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